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  <title>Updates modified portions of the screen</title>
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  <div id="layout-content"><div id="function.newt-refresh" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">newt_refresh</h1>
  <p class="verinfo">(PECL newt &gt;= 0.1)</p><p class="refpurpose"><span class="refname">newt_refresh</span> &mdash; <span class="dc-title">Updates modified portions of the screen</span></p>

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 <div class="refsect1 description" id="refsect1-function.newt-refresh-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>newt_refresh</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type"><span class="type void">void</span></span></div>

  <p class="para rdfs-comment">
   To increase performance, newt only updates the display when it needs to,
   not when the program tells it to write to the terminal. Applications can
   force newt to immediately update modified portions of the screen by calling
   this function.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.newt-refresh-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>


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